69256049 has 4 divisors (see below), whose sum is σ = 70204836. Its totient is φ = 68307264.

The previous prime is 69255983. The next prime is 69256081. The reversal of 69256049 is 94065296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43652449 + 25603600 = 6607^2 + 5060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69256049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69255997 and 69256015.

It is not an unprimeable number, because it can be changed into a prime (69256549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474284 + ... + 474429.

It is an arithmetic number, because the mean of its divisors is an integer number (17551209).

Almost surely, 2^69256049 is an apocalyptic number.

It is an amenable number.

69256049 is a deficient number, since it is larger than the sum of its proper divisors (948787).

69256049 is an equidigital number, since it uses as much as digits as its factorization.

69256049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948786.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 69256049 is about 8322.0219297957. The cubic root of 69256049 is about 410.6633105921.

The spelling of 69256049 in words is "sixty-nine million, two hundred fifty-six thousand, forty-nine".